FOOD SCIENCE ›› 2002, Vol. 23 ›› Issue (7): 58-62.

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Comparison study Between Hot Air Drying and Microwave Drying of Fresh Ginger

 LIU  Li, LUO  Ping, PENG  Zeng-Hua, SONG  Yun-Fang, JIANG  Bin   

  • Online:2002-07-15 Published:2011-12-31

Abstract: Inthis paper,wefoundthatdehydration above65%waterof fresh ginger wa s always accomplishedduring the first half drying time in either hot air drying or microwave drying.Ho wever the energy -cost through the sirocco -blastingdryingtrunkwas1.6timest hatofthemicrowaveline,andthetim e -costwas28~30times thatofmicrow ave -line.Thereweremanyadvantagesinm icrowave -dryingline.Thequalityoftheproducts wasbetterthancoaldr yingwith no sulfur,so their prices were bette r whichcould even up the higher electricity-cost.

Key words: Microwave, Dry